Least Common Multiple 6th grade

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

What is the LCM of 15 and 2?

Back

30

Front

What is the LCM of 3 and 20?

Back

60

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

Front

What are the first five multiples of 7?

Back

7, 14, 21, 28, 35

Front

What is a factor?

Back

A factor of a number is an integer that can be multiplied by another integer to produce that number.

Front

Which of these is NOT a factor of 36: 2, 8, 12, 6?

Back

8

Front

If Juanita runs every third day and swims every fifth day, what is the first day she will both run and swim again?

Back

15

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The product of the LCM and GCD of two numbers is equal to the product of the numbers.